1. A compass may come in handy __________ our hiking trip next week.

2. Sunscreen offers protection __________ the sun's harmful rays.

3. We have a variety of materials to choose __________.

4. Her aggressive behaviour resulted __________ her being fired.

5. You can choose __________ the red or the blue dress.

6. These yoghurts are free __________ artificial colouring.

7. The damage to their property resulted __________ the fire.

8. Must I always explain everything __________ you twice?

9. The local councils decided to collaborate __________ one another for the protection of the environment.

10. The doctor advised his patient __________ the risks involved in smoking.

11. The accident was the result __________ his carelessness.

12. She is afraid __________ speaking in public.

13. He is incapable __________ lying to his parents.

14. The teacher is confident __________ her students’ ability to succeed.

15. This shampoo is free __________ harmful chemicals.

16. She is very handy __________ fixing household appliances.

17. The receptionist was very polite __________ the customers.

18. He was upset __________ the result of the exam.

19. The teacher gave some useful advice __________ the students.

20. There is little hope __________ finding a solution soon.

21. Sunscreen provides protection __________ the sun’s harmful rays.

22. The company has gained a good reputation __________ quality service.

23. His hard work led to the result __________ his promotion.

24. She is a specialist __________ heart diseases.

25. The manager advised us __________ saving more money.